Sahih Bukhari
Sales and Trade
Volume: 003 / Book Number: 034 / Hadith Number: 332
Narrated Anas:
A man at Al-Baqi' called, "O Abu-l-Qasim!" The Prophet turned to him and the man said (to the Prophet ), "I did not intend to call you." The prophet said, "Name yourselves by my name but not by my kuniya (name)."